... Current20A (Resolution 1mA)Test ParametersIsc,Voc, Pmax, Vm, Im, FF, EFF, Temp, Rs, RshData Acquisition2M, 4-channel synchronous high-speed acquisition ... Parameters: Test parameters include Isc, Voc, Pmax, Vm, Im, FF, EFF, Temp, Rs, Rsh. Solar cell tester